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Old 04-30-2008, 06:51 PM   #7 (permalink)
captjim
Senior Member
 
Join Date: Aug 2007
Posts: 149
Just to clarify, the reason the heads hit on a sbo is the deck is taller on the BBO, so the head does not hit. OE heads have a small recess, why Edelbrock did not put this in their head is a mystery to me.

Another issue with E-brocks on a 350 is that with the stock 75 cc chamber, flat tops, and .040 piston to head, Cr is only 9.7, not really enough to get aggressive with the cam, and not enough for all that extra port volume. IMHO.
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